A plugin for Umbraco CMS that uses Open Calais to suggest tags for content.

News on economic sustainability, social sustainability, green sustainability. Join us and discuss the latest articles and events for a greener lifestyle.

Faveeo mashes up several technologies and combines them with it's own recommendation engine to suggest content to it's users based on their browsing habits.  It combines Open Calais and Twitter to offer semantically organized tweets live from the real time web as well. 

NGOSource is a resource list aggregator for non-governmental organisations (NGOs) in Africa. This is a free service where you can find or search categorised and tagged news, research, grants and information updates from various resources relevant to NGOs in Africa.

 tagging twitter trends